Cannot render from CLI: wm_main_playanim_intern: no filepath argument given
Your command should be:
blender -b '/home/lxif/VFX/OZELOT/vfx clip/VFX/scenes/TREES _ FLOOR/FLOOR_2.blend' -a

You missed the -b option, that tells blender to batch render.
https://docs.blender.org/manual/en/latest/advanced/command_line/render.html